/Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraSystem.h
Determines if this system has the supplied emitter as an editable and simulating emitter instance.
bool ReferencesInstanceEmitter ( const [FVersionedNiagaraEmitter](API\Plugins\Niagara\FVersionedNiagaraEmitter) & Emitter ) const